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Phosphorus mass number- 31
no. of protons - 15
chlorine - atomic no - 17 no. of neutrons-17
nitrogen no. of protons,electrons,neutrons- 7
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Answered by
1
Answer:
Phosphorus :Mass number =31.0u
No. of protons =15
Chlorine :Atomic number =17
No. of neutron=20
Nitrogen:No. of protons =7
electrons =7
neutrons=7
Explanation:
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